USABILITY TEST

Group 6Jorge Bensus, Ulises Santos,

Amjad Sheikh, Robert StephensCAP 4104

INTRODUCTION

• Canon claims the Canon Rebel T3 DSLR (Digital Single-Lens Reflex) Camera is easy to use.

• 12.2 Megapixels• SD/SDHC/SDXC memory card• High Resolution 1920 x 1080• 2 mini-HDMI out• 34 – custom settings• 2 sec. shutter speed delay

GOAL

• “The Canon EOS Rebel T3 is a premium entry level DSLR that captures excellent still images and video…” (Derrick Story, Macworld Magazine).

• Easy to use for consumers with little to no experience in using DSLR cameras.

• Easy to use as a point and shoot camera.

• Population Targeted• 18 – 25 years of age.• UCF students• Non-Technical Degree seeking students (No Engineers)

BAD INTERFACE

INTERFACE

INTERFACE

GOOD SIMPLE INTERFACE

Nikon Point and Shoot Camera

EXPERIMENT

DATA GATHERING

RESULTS

• Four participants were familiar with the camera “%50 of the participants.”

• Average total time to finish the tasks was 2.25 minutes• Passing Rate was at %96

RESULTS

• Only three participants failed to complete all the tasks.• Participant one failed two tasks.• Participants three and eight failed one task each.

Partici

pant

1

Partici

pant

2

Partici

pant

3

Partici

pant

4

Partici

pant

5

Partici

pant

6

Partici

pant

7

Partici

pant

8048

12

Chart TitleTasks Passed Per Participant

AVERAGE TIME

Take o

ff cap

Insert

Batt

ery

Insert

SD ca

rd

Set the

lens

focu

s

Turn th

e Cam

era O

n

Set man

ual e

xpos

ure

Focus

on w

ater b

ottle

Take a

pictu

re

View th

e imag

e

Turn th

e Cam

era of

f0.00

10.00

20.00

30.00

Average time per task

Seco

nds

• Participants were given five minutes to finish the tasks.• Participant 1 took the longest time to finish 3.53 minutes

DIFFICULTY OF TASKS

3%

11%

11%

13%

4%

19%

17%

6%

13%

2%

Difficulty (Percentage)

Step 1- Take off capStep 2-Insert BatteryStep 3-Insert SD cardStep 4-Set the lens focusStep 5-Turn the Camera OnStep 6-Set manual exposureStep 7-Focus on water bottleStep 8-Take a pictureStep 9-View the imageStep 10-Turn the Camera off

• Step 6 was the most difficult task only because the participants were expecting a touch screen instead of dial.

CONCLUSION

The Original Goal• Initial Interface Research

• Planning Testing Phases and Resources

CONT.

The Usability Test• Conducting Testing

• Observing and Gathering

Data

CONT.

The Results• Processing and Interpreting Findings

• Developing Charts based on Findings

THE BOTTOM LINE

Final Remarks• User’s Recommendations

• Group’s Conclusion